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synced 2026-09-22 09:34:56 +02:00
Sebastian Andrzej Siewior
1c6f9ec009
The CONFIG_RT_MUTEXES option is enabled by CONFIG_FUTEX and CONFIG_I2C. If both are disabled then a CONFIG_PREEMPT_RT build fails to compile. It is not possible to have a PREEMPT_RT kernel without RT_MUTEX support because RT_MUTEX based locking is always used. Enable CONFIG_RT_MUTEXES by default on PREEMPT_RT builds. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/YgKmhjkcuqWXdUjQ@linutronix.de
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.